Toyota PRIUS Manual page 596

5-2. Steps to take in an emergency
Emergency repair method
Take out the repair kit from the plastic bag.
STEP 1
STEP 2
STEP 3
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PRIUS PHV_OM_OM47831E_(EE)
Remove the valve cap from the
valve of the punctured tire.
Remove the air release cap from
the hose.
You will use the air release cap
again. Therefore keep it in a safe
place.